Slingplayer Mobile for the iPhone has reached the App Store, or rather, finally been approved for the App Store but — and here’s the rub — in a somewhat different (and some would say crippled) form than beta. Beta versions of the app allowed operation under wi-fi, EDGE and 3G (not that anyone would want to use EDGE). The released version was reportedly delayed to allow the removal of EDGE and 3G support. But AT&T’s official response brings up the spectre of all those iPhone 3G issues from last year,